import cv2
import ctypes
import numpy as np
from PIL import Image


def load_image_utf8(image_path):
    """Load image with UTF-8 path support using PIL, then convert to OpenCV format"""
    try:
        # Use PIL to load image with UTF-8 support
        pil_image = Image.open(image_path)
        # Convert PIL image to OpenCV format (BGR)
        cv_image = cv2.cvtColor(np.array(pil_image), cv2.COLOR_RGB2BGR)
        return cv_image
    except Exception as e:
        raise ValueError(f"Could not load image file: {image_path} - {e}")


def get_active_window_title():
    """Get the title of the currently active window"""
    try:
        # Get handle to foreground window
        hwnd = ctypes.windll.user32.GetForegroundWindow()
        
        # Get window title length
        length = ctypes.windll.user32.GetWindowTextLengthW(hwnd)
        
        # Create buffer and get window title
        buffer = ctypes.create_unicode_buffer(length + 1)
        ctypes.windll.user32.GetWindowTextW(hwnd, buffer, length + 1)
        
        return buffer.value
    except:
        return ""